| Porcupine Hills Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Geological formation |
| Underlies | erosional surface |
| Overlies | Willow Creek Formation |
| Thickness | up to 1,200 metres (3,940 ft)[1] |
| Lithology | |
| Primary | Shale |
| Other | Sandstone, mudstone, siltstone |
| Location | |
| Coordinates | 49°47′15″N 113°52′49″W / 49.78753°N 113.88020°W |
| Region |  Alberta |
| Country |  Canada |
| Type section | |
| Named for | Porcupine Hills (Alberta) |
| Named by | G.M. Dawson, 1883 |
The Porcupine Hills Formation is a stratigraphic unit of middle to late Paleocene age in the Western Canada Sedimentary Basin. It takes its name from the Porcupine Hills of southwestern Alberta, and was first described in outcrop by George Mercer Dawson in 1883.[2]
- ^ Cite error: The named reference
lexiconwas invoked but never defined (see the help page). - ^ Dawson, G.M., 1883. Preliminary report on the geology of the Bow and Belly river region, Northwest Territory, with special reference to the coal deposits. Geological Survey of Canada, Report of Progress for 1880-81-82, Part B.